The array way of the holes has a certain effect on the cooling efficiency, i. e. long diamond distribution is better than the regular diamond distribution.

孔阵的排列方式对冷却效果有一定的影响，长菱形分布优于正菱形分布；

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The researchers tried three ideas: a single tungsten tip, an array of silicon tips, and a film containing jagged fragments of synthetic diamond, whose sharp angles acted as tips.

ECONOMIST: Medical technology